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Int. J. Distance Educ. Technol.最新文献

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The Challenges Faced in Technology-Driven Classes During COVID-19 COVID-19期间技术驱动型课堂面临的挑战
Pub Date : 2021-01-01 DOI: 10.4018/ijdet.20210101.oa2
Sangeeta Sharma, Arpan Bumb
In the wake of coronavirus pandemic, social distancing became a mandate that led to the transition from traditional classroom-based lectures to computer-based learning. This paper extensively deals with the ranking of the challenges faced by instructors and students. Primary data from 624 participants (399 students and 225 instructors) is collected through a questionnaire. To assign the ranking to the challenges, Technique of Order Preference Similarity to Ideal Solution (TOPSIS) is deployed. A contextual model is developed by using Interpretive Structural Model (ISM) technique that further provides recommendations for prioritizing the challenges that need to be addressed to mitigate the problems faced in online lectures in coronavirus situation. The number of variables is reduced to simplify the interpretation by exploratory factor analysis. The study also provides the basis to formulate the strategies for policymakers and administration after identifying which challenges need to be addressed first for mitigating all the other challenges.
在冠状病毒大流行之后,保持社交距离成为一项任务,导致传统的课堂授课向基于计算机的学习过渡。本文广泛地讨论了教师和学生所面临的挑战的排名。通过问卷调查收集了624名参与者(399名学生和225名教师)的主要数据。为了对挑战进行排序,采用了TOPSIS (Order Preference Similarity To Ideal Solution)方法。利用解释结构模型(ISM)技术开发了一个上下文模型,该模型进一步提供了建议,以确定需要解决的挑战的优先次序,以减轻冠状病毒疫情下在线讲座面临的问题。通过探索性因子分析,减少了变量的数量,简化了解释。该研究还为决策者和行政部门确定需要首先解决哪些挑战以减轻所有其他挑战后制定战略提供了基础。
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引用次数: 16
Formative Assessment as an Online Instruction Intervention: Student Engagement, Outcomes, and Perceptions 形成性评估作为在线教学干预:学生参与、结果和感知
Pub Date : 2021-01-01 DOI: 10.4018/ijdet.20210101.oa1
Zexuan Chen, J. Jiao, Kexin Hu
Online education has long been suffering from high dropout rate and low achievement. However, both asynchronous and synchronous online instructions have to become effective to serve as a quick response to maintain undisrupted learning during the COVID-19 outbreak. The purpose of the present study was to examine student engagement, learning outcome, and students' perceptions of an online course featured with frequent tasks, quizzes, and tests as formative assessment. Data were collected from the first five weeks of a course that was temporarily converted from blended learning to be fully online in time of school closure. Analysis of students' learning records and scores indicated that students engaged themselves actively in all of the online learning activities and had gained high scores in all tasks, quizzes, and tests. In addition, students held positive perceptions towards the formative assessment.
长期以来,网络教育一直存在辍学率高、成绩低的问题。然而,异步和同步在线教学都必须有效,以便在2019冠状病毒病疫情期间保持不间断的学习。本研究的目的是考察学生的参与度、学习成果以及学生对在线课程的看法,该课程以频繁的任务、测验和测试为形成性评估。数据收集自一门课程的前五周,该课程在学校关闭时暂时从混合式学习转变为完全在线学习。对学生学习记录和分数的分析表明,学生积极参与所有的在线学习活动,并在所有的任务、测验和测试中获得高分。此外,学生对形成性评价持积极态度。
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引用次数: 25
Modeling Students' Performances in Activity-Based E-Learning From a Learning Analytics Perspective: Implications and Relevance for Learning Design 从学习分析的角度建模学生在基于活动的电子学习中的表现:对学习设计的启示和相关性
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100105
Y. Rajabalee, M. Santally, F. Rennie
This paper reports the findings of a research using marks of students in learning activities of an online module to build a predictive model of performance for the final assessment of the module. The objectives were (1) to compare the performances of students of two cohorts in terms of continuous learning assessment marks and final learning activity marks and (2) to model their final performances from their learning activities forming the continuous assessment using predictive analytics and regression analysis. The findings of this study combined with other findings as reported in the literature demonstrate that the learning design is an important factor to consider with respect to application of learning analytics to improve teaching interventions and students' experiences. Furthermore, to maximise the efficiency of learning analytics in eLearning environments, there is a need to review the way offline activities are to be pedagogically conceived so as to ensure that the engagement of the learner throughout the duration of the activity is effectively monitored.
本文报告了一项研究的结果,利用学生在网络模块的学习活动中的分数来建立一个预测模型的表现,为模块的最终评估。研究的目的是:(1)比较两组学生在连续学习评估分数和期末学习活动分数方面的表现;(2)利用预测分析和回归分析对学生在连续学习评估中的学习活动进行建模。本研究的发现与文献中报道的其他发现相结合,表明学习设计是应用学习分析来改善教学干预和学生体验的一个重要因素。此外,为了在电子学习环境中最大限度地提高学习分析的效率,有必要审查离线活动的教学构思方式,以确保在整个活动期间有效地监测学习者的参与情况。
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引用次数: 3
An Effective Prediction Model for Online Course Dropout Rate 一种有效的网络课程辍学率预测模型
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100106
S. Narayanasamy, Atilla Elçi
Due to tremendous reception on digital learning platforms, many online users tend to register for online courses in MOOC offered by many prestigious universities all over the world and gain a lot on cutting edge technologies in niche courses. As the reception of online courses is increasing on one side, there have been huge dropouts of participants in the online courses causing serious problems for the course owners and other MOOC administrators. Hence, it is deemed necessary to find out the root causes of course dropouts and need to prepare a workable solution to prevent that outcome in the future. In this connection, the authors made use of three machine learning algorithms such as support vector machine, random forest, and conditional random fields. The huge samples of datasets were downloaded from the Open University of China, that is, almost 7K student profiles were extracted for the empirical analysis. The datasets were loaded into a confusion matrix and analyzed for the accuracy, precision, recall, and f-score of the model.
由于在数字学习平台上的巨大反响,许多在线用户倾向于注册世界上许多知名大学提供的MOOC在线课程,并在小众课程中获得许多前沿技术。一方面,随着在线课程的接受程度越来越高,在线课程的参与者大量退出,给课程所有者和其他MOOC管理者带来了严重的问题。因此,有必要找出当然退学的根本原因,并需要准备一个可行的解决方案,以防止未来出现这种结果。在这方面,作者使用了三种机器学习算法,如支持向量机,随机森林和条件随机场。从中国开放大学下载了庞大的数据集样本,即提取了近7K的学生资料进行实证分析。将数据集加载到混淆矩阵中,并对模型的准确性、精密度、召回率和f分数进行分析。
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引用次数: 9
Effective Structure Matching Algorithm for Automatic Assessment of Use-Case Diagram 用例图自动评估的有效结构匹配算法
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100103
V. Vachharajani, J. Pareek
The demand for higher education keeps on increasing. The invention of information technology and e-learning have, to a large extent, solved the problem of shortage of skilled and qualified teachers. But there is no guarantee that this will ensure the high quality of learning. In spite of large number of students, though the delivery of learning materials and tests to the students have become very easy by uploading the same on the web, assessment could be tedious. There is a need to develop tools and technologies for fully automated assessment. In this paper, an innovative algorithm has been proposed for matching structures of two use-case diagrams drawn by a student and an expert respectively for automatic assessment of the same. Zhang and Shasha's tree edit distance algorithm has been extended for assessing use-case diagrams. Results from 445 students' answers based on 14 different scenarios are analyzed to evaluate the performance of the proposed algorithm. No comparable study has been reported by any other diagram assessing algorithms in the research literature.
对高等教育的需求不断增加。信息技术和电子学习的发明在很大程度上解决了熟练合格教师短缺的问题。但这并不能保证高质量的学习。尽管有大量的学生,尽管通过在网上上传学习材料和测试,向学生提供学习材料和测试变得非常容易,但评估可能会很繁琐。有必要开发完全自动化评估的工具和技术。本文提出了一种新颖的算法,将学生和专家分别绘制的两张用例图的结构进行匹配,实现对用例图的自动评估。Zhang和Shasha的树编辑距离算法已经扩展到评估用例图。基于14种不同场景的445名学生的回答结果进行了分析,以评估所提出算法的性能。在研究文献中,没有任何其他图表评估算法的可比研究报告。
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引用次数: 4
Improving Learning in Virtual Learning Environments Using Affective Pedagogical Agent 利用情感教学代理促进虚拟学习环境中的学习
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100101
Márcio Alencar, J. F. Netto
Emotions are part of human life, and they are present on several occasions, like decision making and in social interactions. Computational identification of emotions in texts can be useful in many applications, especially in distance learning courses. This research introduces an animated pedagogic agent, integrated to a Moodle virtual learning environment, with the objective of assisting the tutor in accompanying students, helping the students to acquire knowledge, identifying their emotions, and motivating the student to participate in activities and discussions. As a way of assessing students' emotional state, an experiment was conducted using real data from a completed course, involving students. The results obtained are promising, evidencing the importance of knowing the emotional state of the students, contributing to the learning process.
情绪是人类生活的一部分,它们出现在很多场合,比如决策和社会互动中。文本情感的计算识别在许多应用中都很有用,特别是在远程学习课程中。本研究引入了一个动画教学代理,集成到Moodle虚拟学习环境中,其目的是协助导师陪伴学生,帮助学生获得知识,识别他们的情绪,并激励学生参与活动和讨论。作为评估学生情绪状态的一种方式,我们利用学生参与的一门已完成课程的真实数据进行了一项实验。所获得的结果是有希望的,证明了了解学生的情绪状态,有助于学习过程的重要性。
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引用次数: 3
Educational Data Mining Applied to a Massive Course 教育数据挖掘在大规模课程中的应用
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100102
Luis Naito Mendes Bezerra, Márcia Terra da Silva
In the current context of distance learning, learning management systems (LMSs) make it possible to store large volumes of data on web browsing and completed assignments. To understand student behavior patterns in this type of environment, educators and managers must rethink conventional approaches to the analysis of these data and use appropriate computational solutions, such as educational data mining (EDM). Previous studies have tested the application of EDM on small datasets. The main contribution of the present study is the application of EDM algorithms and the analysis of the results in a massive course delivered by a Brazilian University to 181,677 undergraduate students enrolled in different fields. The use of key algorithms in educational contexts, such as decision trees and clustering, can reveal relevant knowledge, including the attribute type that most significantly contributes to passing a course and the behavior patterns of groups of students who fail.
在当前远程学习的背景下,学习管理系统(lms)可以存储大量的网络浏览和完成的作业数据。为了理解这种环境下学生的行为模式,教育工作者和管理者必须重新思考分析这些数据的传统方法,并使用适当的计算解决方案,如教育数据挖掘(EDM)。以前的研究已经测试了EDM在小数据集上的应用。本研究的主要贡献是EDM算法的应用,并分析了巴西一所大学为181,677名不同专业的本科生开设的大型课程的结果。在教育环境中使用关键算法,如决策树和聚类,可以揭示相关知识,包括最有助于通过课程的属性类型和不及格学生群体的行为模式。
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引用次数: 3
An Online Multi-User Real-Time Seamless Co-Reading System for Collaborative Group Learning 协同小组学习的在线多用户实时无缝协同阅读系统
Pub Date : 2020-10-01 DOI: 10.4018/IJDET.2020100104
Chih-Tsan Chang, Cheng-Yu Tsai, Hung-Hsu Tsai, Yuen-Ju Li, Pao-Ta Yu
This paper proposes an online multi-user real-time co-reading (OMURCOR) system to promote the performance of co-reading with collaborative learning. The OMURCOR system utilizes WebSocket to perform synchronization controls on co-reading to allow teachers and students to watch streaming videos together with less delay. Moreover, teachers utilize the system to synchronize control operations of videos on the student site, and the OMURCOR system can be integrated into a learning management system to strengthen students' interaction through co-reading. Unlike traditional platforms, the system supports grouping mechanisms during instruction. A survey was conducted with 104 participants. The bootstrapping square and partial least square approaches of the structural equation modeling (PLS-SEM) are employed via the SmartPLS tool to explore evidence of reliability and validity of the revised TAM. Experimental results reflected that six of the seven hypotheses were supported, and the proposed system has a significant impact on students' learning effectiveness during co-reading.
本文提出了一种在线多用户实时共读(OMURCOR)系统,以提高协同学习的共读性能。OMURCOR系统利用WebSocket对共同阅读执行同步控制,允许教师和学生一起观看流媒体视频,减少延迟。此外,教师可以利用该系统同步控制学生网站上的视频操作,并且可以将OMURCOR系统集成到学习管理系统中,通过共同阅读来加强学生的互动。与传统平台不同,该系统在教学过程中支持分组机制。这项调查共有104人参与。通过SmartPLS工具,采用结构方程建模(PLS-SEM)的自举平方和偏最小二乘方法来探索修订后的TAM的可靠性和有效性的证据。实验结果表明,7个假设中有6个得到了支持,该系统对学生共同阅读的学习效果有显著影响。
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引用次数: 2
Using a Game-Based Mobile App to Enhance Vocabulary Acquisition for English Language Learners 使用基于游戏的手机应用程序促进英语学习者的词汇习得
Pub Date : 2020-07-01 DOI: 10.4018/ijdet.2020070101
F. Yang, W. Wu, Y. Wu
The Test-of-English-for-International-Communication (TOEIC) is an important proficiency test for achieving the benchmark of future employment for English language learners worldwide. However, game-based apps for acquiring TOEIC vocabulary have remained scarce. Therefore, an empirical study was conducted to examine the effects of the self-developed the smartphone app Saving Alice for optimizing the acquisition of TOEIC vocabulary and spelling among EFL learners. Multiple sources of data were collected to investigate how Saving Alice affected vocabulary acquisition, including a demographic survey, pre- and post-tests on TOEIC vocabulary, and semi-structured interviews. Both the quantitative and qualitative findings showed that Saving Alice significantly enhanced the student learning outcomes, and that frequency of using game-based mobile apps (GBMAs) correlated with learning outcomes.
托业考试(test of English for international communication, TOEIC)是全球英语学习者实现未来就业基准的重要能力测试。然而,用于获取托业词汇的基于游戏的应用程序仍然很少。因此,我们进行了一项实证研究,以检验自主开发的智能手机应用程序save Alice对优化英语学习者托业词汇和拼写习得的影响。为了研究《拯救爱丽丝》对词汇习得的影响,我们收集了多种来源的数据,包括人口统计调查、托业词汇前和后测试以及半结构化访谈。定量和定性研究结果都表明,《拯救爱丽丝》显著提高了学生的学习成果,使用基于游戏的移动应用程序(gbma)的频率与学习成果相关。
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引用次数: 2
Effect of Online-Based Concept Map on Student Engagement and Learning Outcome 基于网络的概念图对学生投入和学习成果的影响
Pub Date : 2020-07-01 DOI: 10.4018/ijdet.2020070103
Izzul Fatawi, I. Degeng, P. Setyosari, S. Ulfa, T. Hirashima
One of the success factors in online learning is student engagement. Therefore, the use of technology to influence student engagement in meaningful and effective learning experiences is worthy for investigation. Concept mapping is an effective knowledge construction strategy to help students. This study investigates the influence of concept maps as a formative assessment of online learning and its impact on student engagement and learning outcomes. The design of experiment used the non-equivalent comparison group pretest-posttest. It was included in the quasi-experiment to compare two different groups. The results reveal strong evidence that concept mapping not only improves learning outcomes, but also increases student engagement in all types of tested engagements, namely behavioral, emotional, and cognitive.
在线学习的成功因素之一是学生的参与。因此,利用技术来影响学生参与有意义和有效的学习体验是值得研究的。概念图是一种有效的知识建构策略。本研究探讨了概念图作为在线学习形成性评估的影响及其对学生参与和学习成果的影响。实验设计采用非等效对照组前测后测。它被包含在准实验中,以比较两个不同的组。研究结果有力地证明,概念映射不仅提高了学习效果,而且还提高了学生在所有类型的测试活动中的参与度,即行为、情感和认知。
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引用次数: 11
期刊
Int. J. Distance Educ. Technol.
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